Coolant Temperature Regulator - Replace
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| 图 1 | g02589203 |
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CG137 发动机右侧上的水温调节器盖 | |
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| 注意 |
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不定期更换水温调节器会引起发动机严重损坏。 卡特彼勒发动机的冷却系统包括有分流设计，此种设计要求在安装了水温调节器的情况下运行发动机。 如果水温调节器安装不正确，发动机可能过热，造成气缸盖损坏。 确保新的水温调节器安装在原来的位置。 确保水温调节器的放气孔畅通。 不要在密封垫或缸盖表面上使用液体垫片材料。 |
在节温器失效之前就更换掉。 更换节温器可减少可能发生的计划外停工。
水温调节器在部分开启位置失效时，会引起发动机过热或过冷。
水温调节器在开启位置失效时，会引起发动机在部分负荷时工作温度过低。 发动机部分负荷时工作温度过低会造成气缸内过分积碳， 从而加速活塞环和缸套的磨损。
水温调节器在完全关闭位置失效时，会引起发动机严重过热。 发动机严重过热会引起气缸盖开裂或活塞卡缸故障。
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| 注意 |
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在检查、保养、测试、调整及维修产品时，请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前，请准备好盛接液体用的适当容器。 有关适于收集和盛放 Cat 产品油液的工具和用品，请参阅专门出版物, NENG2500, "Cat 代理商维修工具目录"或专门出版物, PECJ0003, "Cat 车间用品和工具目录"。 按照本地法规和要求处置所有油液。 |
注: 如果仅更换水温调节器，应仅冷却液排放至低于水温调节器壳体的液位。
有关更换程序，请参阅拆解和装配手册, "水温调节器 - 拆卸和安装水温调节器"，或咨询您的 Cat 代理商。
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